Book: Lipski, Louis L. & Archer, Michael. 1984 Dated English Delftware: Tin-glazed Earthenware 1600-1800.
• Published: p. 435, no. 1803, in chapter titled "Objects Inscribed and Decorated at a Later Date" (fairly extensive discussion).Book: Grigsby, Leslie B. 2000 The Longridge Collection of English Slipware and Delftware.
• Evidence for "puzzle jug" as period term: vol. 1, no. S91, trailed and sgraffito slipware jug inscribed "The Reveren\D / RicharD:Nelson / GrasDaLe / 1774" and "A / PuslinG / Jug" Probably Yorkshire.Article: Stoddart, Eleanor. 2000 Seventeenth-Century Tin-glazed Earthenware from Ferryland. Avalon Chronicles. 5: 49-100.
• Quite similar form and pierced pattern puzzle jug in plain white glaze, excavated at Ferryland, Newfoundland site: pp. 77-78, fig. 9, identified as Dutch tin glaze. 17th C.Article: Crossley, Robert. 1993 "Circulatory Systerms of Puzzle Jugs". Transactions of the English Ceramic Circle. 15 (Pt. 1): 73-98.
• Detailed discussion of puzzle jugs of many types and materials.Book: 1984 Principes d'analyse scientifique: Objets civils domestiques Vocabulaire.
• French (Saint-Verain and Rouen) puzzle jugs: p. 190, nos. 973, 975; the Rouen example being tin-glazed and dated 1733.